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Finding the Third Proportional to 10,222 and 21,473

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Solution

The third proportional to 10,222 and 21,473 is: 45,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222 : 21,473 = 21,473 : x
  2. Step 2: Convert to fraction form
    10,222/21,473 = 21,473/x
  3. Step 3: Cross multiply
    10,222x = 21,473 × 21,473
  4. Step 4: Simplify right side
    10,222x = 461,089,729
  5. Step 5: Solve for x
    x = 461,089,729/10,222
  6. Step 6: Final answer
    x = 45,107.58

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.